<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>welcome</title>
</head>
<body>
<h1 th:text="${msg}">Hello</h1>

<p> 你好 <span th:text="${user}">用户</span>  </p>

</body>
</html>